/*\r
-* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
*\r
-* This file is part of CasparCG.\r
+* This file is part of CasparCG (www.casparcg.com).\r
*\r
-* CasparCG is free software: you can redistribute it and/or modify\r
-* it under the terms of the GNU General Public License as published by\r
-* the Free Software Foundation, either version 3 of the License, or\r
-* (at your option) any later version.\r
+* CasparCG is free software: you can redistribute it and/or modify\r
+* it under the terms of the GNU General Public License as published by\r
+* the Free Software Foundation, either version 3 of the License, or\r
+* (at your option) any later version.\r
*\r
-* CasparCG is distributed in the hope that it will be useful,\r
-* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-* GNU General Public License for more details.\r
-\r
-* You should have received a copy of the GNU General Public License\r
-* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
+* CasparCG is distributed in the hope that it will be useful,\r
+* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+* GNU General Public License for more details.\r
+*\r
+* You should have received a copy of the GNU General Public License\r
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
*\r
+* Author: Robert Nagy, ronag89@gmail.com\r
*/\r
+\r
#include "../../stdafx.h"\r
\r
#include "video_decoder.h"\r
\r
-#include "../util.h"\r
-#include "../filter/filter.h"\r
+#include "../util/util.h"\r
\r
#include "../../ffmpeg_error.h"\r
\r
-#include <core/producer/frame/basic_frame.h>\r
-#include <common/memory/memcpy.h>\r
-#include <common/concurrency/governor.h>\r
+#include <common/log.h>\r
+#include <core/frame/frame_transform.h>\r
+#include <core/frame/frame_factory.h>\r
+\r
+#include <boost/range/algorithm_ext/push_back.hpp>\r
+#include <boost/filesystem.hpp>\r
+\r
+#include <queue>\r
\r
#if defined(_MSC_VER)\r
#pragma warning (push)\r
#pragma warning (pop)\r
#endif\r
\r
-#include <tbb/scalable_allocator.h>\r
-\r
-#undef Yield\r
-using namespace Concurrency;\r
-\r
namespace caspar { namespace ffmpeg {\r
\r
-struct video_decoder::implementation : public Concurrency::agent, boost::noncopyable\r
-{ \r
+struct video_decoder::impl : boost::noncopyable\r
+{\r
+ monitor::basic_subject event_subject_;\r
int index_;\r
- std::shared_ptr<AVCodecContext> codec_context_;\r
+ const std::shared_ptr<AVCodecContext> codec_context_;\r
+\r
+ std::queue<spl::shared_ptr<AVPacket>> packets_;\r
\r
- double fps_;\r
- int64_t nb_frames_;\r
+ const uint32_t nb_frames_;\r
\r
- size_t width_;\r
- size_t height_;\r
+ const int width_;\r
+ const int height_;\r
bool is_progressive_;\r
- \r
- unbounded_buffer<video_decoder::source_element_t> source_;\r
- ITarget<video_decoder::target_element_t>& target_;\r
\r
- governor governor_;\r
- \r
+ tbb::atomic<uint32_t> file_frame_number_;\r
+\r
public:\r
- explicit implementation(video_decoder::source_t& source, video_decoder::target_t& target, AVFormatContext& context) \r
- : codec_context_(open_codec(context, AVMEDIA_TYPE_VIDEO, index_))\r
- , fps_(static_cast<double>(codec_context_->time_base.den) / static_cast<double>(codec_context_->time_base.num))\r
- , nb_frames_(context.streams[index_]->nb_frames)\r
- , width_(codec_context_->width)\r
- , height_(codec_context_->height)\r
+ explicit impl() \r
+ : nb_frames_(0)\r
+ , width_(0)\r
+ , height_(0)\r
, is_progressive_(true)\r
- , source_([this](const video_decoder::source_element_t& packet){return packet->stream_index == index_;})\r
- , target_(target)\r
- , governor_(1) // IMPORTANT: Must be 1 since avcodec_decode_video2 reuses memory.\r
- { \r
- CASPAR_LOG(debug) << "[video_decoder] " << context.streams[index_]->codec->codec->long_name;\r
- \r
- source.link_target(&source_);\r
- \r
- start();\r
+ {\r
+ file_frame_number_ = 0;\r
}\r
\r
- ~implementation()\r
+ explicit impl(const spl::shared_ptr<AVFormatContext>& context) \r
+ : codec_context_(open_codec(*context, AVMEDIA_TYPE_VIDEO, index_))\r
+ , nb_frames_(static_cast<uint32_t>(context->streams[index_]->nb_frames))\r
+ , width_(codec_context_->width)\r
+ , height_(codec_context_->height)\r
{\r
- agent::wait(this);\r
+ file_frame_number_ = 0;\r
}\r
\r
- virtual void run()\r
+ void push(const std::shared_ptr<AVPacket>& packet)\r
{\r
- try\r
- {\r
- win32_exception::install_handler();\r
- while(true)\r
- {\r
- auto ticket = governor_.acquire();\r
- auto packet = receive(source_);\r
- \r
- if(packet == loop_packet(index_))\r
- { \r
- if(codec_context_->codec->capabilities & CODEC_CAP_DELAY)\r
- {\r
- AVPacket pkt;\r
- av_init_packet(&pkt);\r
- pkt.data = nullptr;\r
- pkt.size = 0;\r
-\r
- for(auto decoded_frame = decode(pkt); decoded_frame; decoded_frame = decode(pkt))\r
- { \r
- send(target_, safe_ptr<AVFrame>(decoded_frame.get(), [decoded_frame, ticket](AVFrame*){}));\r
- Context::Yield();\r
- }\r
- }\r
-\r
- avcodec_flush_buffers(codec_context_.get());\r
- send(target_, loop_video());\r
- continue;\r
- }\r
+ if(!packet)\r
+ return;\r
\r
- if(packet == eof_packet(index_))\r
- break;\r
+ if(packet->stream_index == index_ || packet->data == nullptr)\r
+ packets_.push(spl::make_shared_ptr(packet));\r
+ }\r
\r
- auto decoded_frame = decode(*packet);\r
- if(!decoded_frame)\r
- continue;\r
+ std::shared_ptr<AVFrame> poll()\r
+ { \r
+ if(packets_.empty())\r
+ return nullptr;\r
\r
- is_progressive_ = decoded_frame->interlaced_frame == 0;\r
- \r
- // C-TODO: Avoid duplication.\r
- // Need to dupliace frame data since avcodec_decode_video2 reuses it.\r
- send(target_, safe_ptr<AVFrame>(decoded_frame.get(), [decoded_frame, ticket](AVFrame*){})); \r
- Context::Yield();\r
- }\r
+ auto packet = packets_.front();\r
+ \r
+ if(!codec_context_) \r
+ {\r
+ packets_.pop();\r
+ return packet->data == nullptr ? flush_video() : empty_video();\r
}\r
- catch(...)\r
+ else\r
{\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
+ if(packet->data == nullptr)\r
+ { \r
+ if(codec_context_->codec->capabilities & CODEC_CAP_DELAY)\r
+ {\r
+ auto video = decode(*packet);\r
+ if(video)\r
+ return video;\r
+ }\r
+ \r
+ packets_.pop();\r
+ file_frame_number_ = static_cast<uint32_t>(packet->pos);\r
+ avcodec_flush_buffers(codec_context_.get());\r
+ return flush_video(); \r
+ }\r
+ \r
+ packets_.pop();\r
+ return decode(*packet);\r
}\r
\r
- send(target_, eof_video());\r
-\r
- done();\r
}\r
- \r
- std::shared_ptr<AVFrame> decode(AVPacket& packet)\r
+\r
+ std::shared_ptr<AVFrame> decode(AVPacket& pkt)\r
{\r
std::shared_ptr<AVFrame> decoded_frame(avcodec_alloc_frame(), av_free);\r
\r
int frame_finished = 0;\r
- THROW_ON_ERROR2(avcodec_decode_video2(codec_context_.get(), decoded_frame.get(), &frame_finished, &packet), "[video_decocer]");\r
-\r
- // 1 packet <=> 1 frame.\r
+ THROW_ON_ERROR2(avcodec_decode_video2(codec_context_.get(), decoded_frame.get(), &frame_finished, &pkt), "[video_decocer]");\r
+ \r
// If a decoder consumes less then the whole packet then something is wrong\r
// that might be just harmless padding at the end, or a problem with the\r
// AVParser or demuxer which puted more then one frame in a AVPacket.\r
\r
if(frame_finished == 0) \r
return nullptr;\r
- \r
+\r
+ is_progressive_ = !decoded_frame->interlaced_frame;\r
+\r
if(decoded_frame->repeat_pict > 0)\r
- CASPAR_LOG(warning) << "[video_decoder]: Field repeat_pict not implemented.";\r
+ CASPAR_LOG(warning) << "[video_decoder] Field repeat_pict not implemented.";\r
+ \r
+ event_subject_ << monitor::event("file/video/width") % width_\r
+ << monitor::event("file/video/height") % height_\r
+ << monitor::event("file/video/field") % u8(!decoded_frame->interlaced_frame ? "progressive" : (decoded_frame->top_field_first ? "upper" : "lower"))\r
+ << monitor::event("file/video/codec") % u8(codec_context_->codec->long_name);\r
+\r
+ ++file_frame_number_;\r
\r
return decoded_frame;\r
}\r
+ \r
+ bool ready() const\r
+ {\r
+ return !codec_context_ || !packets_.empty();\r
+ }\r
\r
- \r
- double fps() const\r
+ void clear()\r
{\r
- return fps_;\r
+ while(!packets_.empty())\r
+ packets_.pop();\r
}\r
-};\r
\r
-video_decoder::video_decoder(video_decoder::source_t& source, video_decoder::target_t& target, AVFormatContext& context) \r
- : impl_(new implementation(source, target, context))\r
-{\r
-}\r
+ uint32_t nb_frames() const\r
+ {\r
+ return std::max<uint32_t>(nb_frames_, file_frame_number_);\r
+ }\r
+\r
+ std::wstring print() const\r
+ { \r
+ return L"[video-decoder] " + u16(codec_context_->codec->long_name);\r
+ }\r
+};\r
\r
-double video_decoder::fps() const{return impl_->fps();}\r
-int64_t video_decoder::nb_frames() const{return impl_->nb_frames_;}\r
-size_t video_decoder::width() const{return impl_->width_;}\r
-size_t video_decoder::height() const{return impl_->height_;}\r
-bool video_decoder::is_progressive() const{return impl_->is_progressive_;}\r
+video_decoder::video_decoder() : impl_(new impl()){}\r
+video_decoder::video_decoder(const spl::shared_ptr<AVFormatContext>& context) : impl_(new impl(context)){}\r
+video_decoder::video_decoder(video_decoder&& other) : impl_(std::move(other.impl_)){}\r
+video_decoder& video_decoder::operator=(video_decoder&& other){impl_ = std::move(other.impl_); return *this;}\r
+void video_decoder::push(const std::shared_ptr<AVPacket>& packet){impl_->push(packet);}\r
+std::shared_ptr<AVFrame> video_decoder::poll(){return impl_->poll();}\r
+bool video_decoder::ready() const{return impl_->ready();}\r
+int video_decoder::width() const{return impl_->width_;}\r
+int video_decoder::height() const{return impl_->height_;}\r
+uint32_t video_decoder::nb_frames() const{return impl_->nb_frames();}\r
+uint32_t video_decoder::file_frame_number() const{return impl_->file_frame_number_;}\r
+bool video_decoder::is_progressive() const{return impl_->is_progressive_;}\r
+std::wstring video_decoder::print() const{return impl_->print();}\r
+void video_decoder::clear(){impl_->clear();}\r
+void video_decoder::subscribe(const monitor::observable::observer_ptr& o){impl_->event_subject_.subscribe(o);}\r
+void video_decoder::unsubscribe(const monitor::observable::observer_ptr& o){impl_->event_subject_.unsubscribe(o);}\r
\r
}}
\ No newline at end of file
projects / casparcg / blobdiff